CVE-2014-9374 Use after free in n/a

What is CVE-2014-9374?

CVE-2014-9374 is a medium-severity use after free vulnerability in Digium Asterisk, published on 12 Dec 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Double free vulnerability in the WebSocket Server (res_http_websocket module) in Asterisk Open Source 11.x before 11.14.2, 12.x before 12.7.2, and 13.x before 13.0.2 and Certified Asterisk 11.6 before 11.6-cert9 allows remote attackers to cause a denial of service (crash) by sending a zero length frame after a non-zero length frame.

Which versions are affected by CVE-2014-9374?

It affects 2 products.

Products include Digium Asterisk, Digium Certified Asterisk.

How do I fix CVE-2014-9374?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2014-9374 being exploited?

There is no known exploitation of CVE-2014-9374 in the wild and no public exploit code.

Other vulnerabilities in Digium Asterisk

• CVE-2017-14100 Command injection in n/a Critical 9.8
• CVE-2014-8418 Privilege escalation in n/a Critical 9.0
• CVE-2011-1599 Missing authorization in n/a Critical 9.0
• CVE-2017-16671 Memory corruption in n/a High 8.8
• CVE-2017-7617 Memory corruption in n/a High 8.8

All Digium Asterisk vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2014-9374, GHSA-4g26-4jfh-95vh, MGASA-2015-0010.